This is Statistics. Provide necessary solution thank you.

1. The average cholesterol content of a certain canned goods is 215 milligrams and the standard deviation is 15 milligrams. Assume the variable is normally distributed. a) If a canned good is selected, what is the probability that the cholesterol content, will be greater 220 milligrams? b) If a sample of 25 canned goods is selected, what is the probability that the mean of the sample will be larger than 220 milligrams